#include<stdio.h>

#define PI 3.14159
#define MAX_SIZE 100
#define SQAURE(X)((X)*(X))

int main008(void) {
	float area;
	float pic;
	float radius = 5.0f;


	area = PI * radius * radius;
	pic = PI * SQAURE(radius);

	printf("Area of the circle : %.2f\n", area);
	printf("pic of the circle : %.2f\n", pic);


	int arr[MAX_SIZE];
	printf("size of array:%d\n", MAX_SIZE);

	return 0;
}